2251376532 has 96 divisors (see below), whose sum is σ = 6007254400. Its totient is φ = 737981280.

The previous prime is 2251376531. The next prime is 2251376537. The reversal of 2251376532 is 2356731522.

2251376532 is a `hidden beast` number, since 2 + 2 + 51 + 3 + 76 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251376531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 531519 + ... + 535737.

Almost surely, 2^2251376532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2251376532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3003627200).

2251376532 is an abundant number, since it is smaller than the sum of its proper divisors (3755877868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251376532 is an equidigital number, since it uses as much as digits as its factorization.

2251376532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305 (or 4285 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 2251376532 is about 47448.6726052479. The cubic root of 2251376532 is about 1310.6378673975.

The spelling of 2251376532 in words is "two billion, two hundred fifty-one million, three hundred seventy-six thousand, five hundred thirty-two".